![Puas c seem tsim nyob rau hauv Africa? Puas c seem tsim nyob rau hauv Africa?](https://i.tvmoviesgames.com/preview/questions/17860085-were-c-sections-invented-in-africa-j.webp)
2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Qee lub sijhawm ntawm 1815 thiab 1821, James Miranda Stuart Barry tau ua haujlwm thaum ua tus txiv neej thiab ua tus kws kho mob rau cov tub rog Askiv hauv South Africa. Kev ua tau zoo ntawm kev phais mob ua los ntawm cov kws kho mob hauv paus txawm hauv Kahura, Uganda.
C-section pib qhov twg?
keeb kwm ntawm kev phais mob (C-section) hnub rov qab mus txog Ancient Roman times. Pliny tus Txwj Laug hais tias Julius Caesar tau raug hu ua poj koob yawm txwv uas yug los ntawm C-section. Thaum lub caij no, txoj kev C-section tau siv los cawm tus menyuam hauv plab ntawm leej niam uas tau tuag thaum yug.
Thaum twg yog thawj C-section hauv Africa?
thawj zaug kev ua haujlwm caesarean ua tiav tau xav tias tau ua tiav hauv 1610, txawm li cas los xij nws tsis tau siv dav, vim ob peb tus tau txais kev txawj ntse thiab ntau tus neeg txuas ntxiv mus rau txoj kev tuag..
Thaum twg C-section tau tsim?
1794: Elizabeth Bennett xa ib tug ntxhais los ntawm kev phais mob, dhau los ua thawj tus poj niam hauv Tebchaws Meskas uas yug tau li no thiab muaj sia nyob. Nws tus txiv, Jesse, yog tus kws kho mob ua haujlwm.
haiv neeg twg muaj C-section ntau tshaj?
Nyob rau lub sijhawm xyoo 2017-2019 (nruab nrab) hauv Tebchaws Meskas, tus nqi me nyuam yug me nyuam tau siab tshaj rau cov menyuam mos liab(35.5%), tom qab ntawd yog Neeg Esxias / Pacific Islanders (32.5%), cov neeg dawb (31.0%) thiab Asmeskas Khab / Alaska Natives(28.9%).
Pom zoo:
Nyob rau hauv angiosperms pollen yog tsim nyob rau hauv anthers ib feem ntawm?
![Nyob rau hauv angiosperms pollen yog tsim nyob rau hauv anthers ib feem ntawm? Nyob rau hauv angiosperms pollen yog tsim nyob rau hauv anthers ib feem ntawm?](https://i.tvmoviesgames.com/preview/questions/17848357-in-angiosperms-pollen-is-produced-in-anthers-part-of-the-j.webp)
Nyob rau hauv angiosperms, paj ntoos yog tsim los ntawm anthers ntawm the stamens hauv paj. Hauv gymnosperms, nws yog tsim nyob rau hauv microsporophylls ntawm microstrobili (txiv neej paj ntoos cones). Pollen muaj ib los yog ntau tshaj cov noob qoob loo thiab ib lub qe qe.
Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?
![Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom? Yuav ua li cas txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau pom kev pom?](https://i.tvmoviesgames.com/preview/questions/17865967-will-corneal-cross-linking-improve-vision-j.webp)
Txawm li cas los xij, corneal collagen cross-linking - cov txheej txheem qib siab tau pom zoo los ntawm US Food and Drug Administration (FDA) hauv xyoo 2016 - tuaj yeem txhim kho qhov pom kev hauv cov neeg mob txhua hnub nyoog. Corneal collagen cross-linking (CXL) tsis yog kho rau keratoconus, tab sis nws tuaj yeem pab tiv thaiv tus mob kom tsis txhob mob hnyav.
Puas yog tag nrho cov seem seem?
![Puas yog tag nrho cov seem seem? Puas yog tag nrho cov seem seem?](https://i.tvmoviesgames.com/preview/questions/17883390-is-complete-residue-system-j.webp)
Ib tag nrho cov seem seem modulo m yog ib pawg ntawm cov lej xws li tias txhua tus lej yog congruent modulo m rau raws nraim ib tus lej ntawm pawg. Qhov yooj yim ua tiav qhov seem seem modulo m yog cov lej 0, 1, 2, …, m−1. Txhua integer yog congruent rau ib qho ntawm cov integers modulo m.
Thaum cov khoom seem seem khaws cia?
![Thaum cov khoom seem seem khaws cia? Thaum cov khoom seem seem khaws cia?](https://i.tvmoviesgames.com/preview/questions/17907745-when-leftover-amalgam-scrap-is-stored-j.webp)
5) Thaum cov khoom seem seem khaws cia, a. Nws yuav tsum muab khaws cia rau hauv the x-ray fixer solution. Yuav tsum khaws cov khoom seem li cas? Kua amalgam pov tseg nyob rau hauv ib lub thawv yas npog uas sau tias "Amalgam rau Recycling"
Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?
![Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej? Leej twg detering nyob rau hauv tag nrho cov nyob ntsiag to nyob rau sab hnub poob pem hauv ntej?](https://i.tvmoviesgames.com/preview/questions/17920706-who-is-detering-in-all-quiet-on-the-western-front-j.webp)
Detering yog tus neeg ua liaj ua teb los ntawm Txhua Tus Neeg Tsis Txaus Siabntawm Sab Hnub Poob los ntawm Erich Maria Remarque. Nws muaj siab mos siab muag, tshwj xeeb tshaj yog thaum nws los txog rau nees. Nws muaj kev kub ntxhov loj heev thaum nws hnov cov nees quaj thiab txawm sim tua lawv kom kawg lawv txoj kev txom nyem.